(19)
(11) EP 1 239 500 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
08.01.2003 Bulletin 2003/02

(43) Date of publication A2:
11.09.2002 Bulletin 2002/37

(21) Application number: 02004779.1

(22) Date of filing: 01.03.2002
(51) International Patent Classification (IPC)7: H01H 13/48, H05K 3/30
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 06.03.2001 JP 2001062715

(71) Applicant: Citizen Electronics Co., Ltd.
Fujiyoshida-shi, Yamanashi-ken (JP)

(72) Inventor:
  • Miyashita, Isao
    Fujiyoshida-shi, Yamanashi-ken (JP)

(74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät 
Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) Tactile switch


(57) A peripheral fixed contact having a circular hole is secured to a substrate, and a central fixed contact having a hole at a central portion thereof is secured to the substrate within the circular hole of the peripheral fixed contact. A spherical spring contact is mounted on the peripheral fixed contact so as to contact with an edge of the hole of the central fixed contact.






Search report